Add tags picker to Telescope extension. (#54)

README.md

@@ -473,9 +473,9 @@ end)
 ```
 
 ## Telescope Plugin
-> Not recommended, instead just use the [:ZkNotes command](#built-in-commands).
+> Not recommended, instead just use the [:ZkNotes or :ZkTags commands](#built-in-commands).
 
-It's possible (but unnecessary) to also load the notes picker as a telescope plugin.
+It's possible (but unnecessary) to also load the notes and tags pickers as a telescope plugin.
 
 ```lua
 require("telescope").load_extension("zk")
@@ -484,4 +484,6 @@ require("telescope").load_extension("zk")
 ```vim
 :Telescope zk notes
 :Telescope zk notes createdAfter=3\ days\ ago
+:Telescope zk tags
+:Telescope zk tags created=today
 ```

doc/zk.txt

@@ -391,10 +391,10 @@ Then, create a new file under `~/.config/nvim/ftplugin/markdown.lua` to setup th
     if require("zk.util").notebook_root(vim.fn.expand('%:p')) ~= nil then
       local function map(...) vim.api.nvim_buf_set_keymap(0, ...) end
       local opts = { noremap=true, silent=false }
-      
+
       -- Open the link under the caret.
       map("n", "<CR>", "<Cmd>lua vim.lsp.buf.definition()<CR>", opts)
-      
+
       -- Create a new note after asking for its title.
       -- This overrides the global `<leader>zn` mapping to create the note in the same directory as the current buffer.
       map("n", "<leader>zn", "<Cmd>ZkNew { dir = vim.fn.expand('%:p:h'), title = vim.fn.input('Title: ') }<CR>", opts)
@@ -408,7 +408,7 @@ Then, create a new file under `~/.config/nvim/ftplugin/markdown.lua` to setup th
       --map('n', '<leader>zb', '<Cmd>lua vim.lsp.buf.references()<CR>', opts)
       -- Open notes linked by the current buffer.
       map("n", "<leader>zl", "<Cmd>ZkLinks<CR>", opts)
-      
+
       -- Preview a linked note.
       map("n", "K", "<Cmd>lua vim.lsp.buf.hover()<CR>", opts)
       -- Open the code actions for a visual selection.
@@ -476,15 +476,17 @@ If you insist to use nvim-lsp-installer for `zk`, the following code snippet sho
 --------------------------------------------------------------------------------
 TELESCOPE PLUGIN                                             *zk-telescope_plugin*
 >
-    Not recommended, instead just use the :ZkNotes command (#built-in-commands).
+    Not recommended, instead just use the :ZkNotes or :ZkTags commands (#built-in-commands).
 <
 
-It's possible (but unnecessary) to also load the notes picker as a telescope plugin.
+It's possible (but unnecessary) to also load the notes and tags pickers as a telescope plugin.
 >
     require("telescope").load_extension("zk")
 <
 >
     :Telescope zk notes
     :Telescope zk notes createdAfter=3\ days\ ago
+    :Telescope zk tags
+    :Telescope zk tags created=today
 <
 

lua/telescope/_extensions/zk.lua

@@ -6,8 +6,21 @@ local function show_notes(opts)
   zk.edit(opts, { picker = "telescope", telescope = opts })
 end
 
+---@param opts? table additional options for zk, telescope options, all optional and in one table
+---@see https://github.com/mickael-menu/zk/blob/main/docs/editors-integration.md#zktaglist
+local function show_tags(opts)
+  zk.pick_tags(opts, { picker = "telescope", telescope = opts }, function(tags)
+    tags = vim.tbl_map(function(v)
+      return v.name
+    end, tags)
+    opts = vim.tbl_extend("force", { tags = tags }, opts or {})
+    zk.edit(opts, { picker = "telescope", telescope = opts })
+  end)
+end
+
 return require("telescope").register_extension({
   exports = {
     notes = show_notes,
+    tags = show_tags,
   },
 })